Home / 766,262.16-1,147,621.77-739,690.11

Finding the Fourth Proportional to 766,262.16, 1,147,621.77 and 739,690.11

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Solution

The fourth proportional to 766,262.16, 1,147,621.77 and 739,690.11 is: 1,107,825.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,262.16 : 1,147,621.77 = 739,690.11 : x
  2. Step 2: Convert to fraction form
    766,262.16/1,147,621.77 = 739,690.11/x
  3. Step 3: Cross multiply
    766,262.16x = 1,147,621.77 × 739,690.11
  4. Step 4: Simplify right side
    766,262.16x = 848,884,473,289.70
  5. Step 5: Solve for x
    x = 848,884,473,289.70/766,262.16
  6. Step 6: Final answer
    x = 1,107,825.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.